RAYCHAUDHURI, MAUSUMI, et al. “Effect of Rhizobium Japonicum and Phosphorus on Nutrient Uptake and Yield of Soybean (Glycine Max) in an Ultisol of Manipur Hills”. The Indian Journal of Agricultural Sciences, vol. 67, no. 10, May 2013, https://epubs.icar.org.in/index.php/IJAgS/article/view/30060.